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MissTica
2 years ago
9

In the figure shown, the coefficient of kinetic friction between the block and the incline is 0.2. What is the

Physics
1 answer:
Maksim231197 [3]2 years ago
4 0

qwert yuiop asdfg hjkl zxcvb nm,./

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Which of the following statements about comets is true? A. Comets rarely fall into an orbit around the Sun. They usually enter t
GREYUIT [131]
<h2>Right answer: Comets have very elliptical orbits that usually take them far beyond the orbit of Pluto, but also take them closer to the Sun than Earth</h2>

Comets are celestial bodies constituted by ice, dust and rocks that orbit around the Sun, after having been altered by the Oort cloud; following different trajectories that can be <u>highly eccentric elliptical</u><u> </u>(periodic trajectories), parabolic or hyperbolic.

One of the main characteristics of a comet is that it travels quite fast, on its way around the Sun and has a long tail. It should be noted that the tails of comets always go in the opposite direction to the Sun (due to the radiation pressure of sunlight).

Therefore, the correct option is C.

4 0
3 years ago
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Nuclear winter story. A crazy president is trying to solve the global warming problem and has successfully built a powerful H-bo
Irina18 [472]

Answer:

A nuclear winter is a climatic phenomenon that would follow the detonation of several atomic bombs in the event that a nuclear war broke out. These bombs would cause firestorms that would raise smoke, dust and particles into the atmosphere that would end up in the stratosphere and eventually spread throughout the globe.

Explanation:

That idea is far fetched, because even though those same particles would absorb sunlight, it would raise the temperature in the stratosphere and cause a decrease in temperature in the Earth's layer. Unable to seep the sun's rays, many plant species would die and this would affect the entire food chain.

In addition, that temperature rise in the stratosphere would destroy part of the ozone layer, causing greater exposure to ultraviolet rays. This would end up affecting health and further damaging plant species.

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3 years ago
In this type of polarization a Polaroid filter serves as a device that filters out one-half of the vibrations.
erik [133]
The answer is d.
hope it helped
6 0
3 years ago
Energy that is passed on from one trophic level to the next is called what?
yan [13]
Energy decreases as it moves uptrophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level.Trophic level transfer efficiency (TLTE) measures the amount of energy that is transferred between trophic levels.
8 0
3 years ago
You have to travel 5000 meters. You only have two minutes (120 seconds) to get there. How fast must you travel to get there in t
Sholpan [36]

Answer:

416.667 m/s

Explanation:

divide the distance by the time

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3 years ago
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